[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/desc.go b/vendor/github.com/prometheus/client_golang/prometheus/desc.go
index 1d034f8..4bb816a 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/desc.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/desc.go
@@ -19,6 +19,8 @@
"sort"
"strings"
+ "github.com/cespare/xxhash/v2"
+ //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/common/model"
@@ -49,7 +51,7 @@
// constLabelPairs contains precalculated DTO label pairs based on
// the constant labels.
constLabelPairs []*dto.LabelPair
- // VariableLabels contains names of labels for which the metric
+ // variableLabels contains names of labels for which the metric
// maintains variable values.
variableLabels []string
// id is a hash of the values of the ConstLabels and fqName. This
@@ -126,24 +128,24 @@
return d
}
- vh := hashNew()
+ xxh := xxhash.New()
for _, val := range labelValues {
- vh = hashAdd(vh, val)
- vh = hashAddByte(vh, separatorByte)
+ xxh.WriteString(val)
+ xxh.Write(separatorByteSlice)
}
- d.id = vh
+ d.id = xxh.Sum64()
// Sort labelNames so that order doesn't matter for the hash.
sort.Strings(labelNames)
// Now hash together (in this order) the help string and the sorted
// label names.
- lh := hashNew()
- lh = hashAdd(lh, help)
- lh = hashAddByte(lh, separatorByte)
+ xxh.Reset()
+ xxh.WriteString(help)
+ xxh.Write(separatorByteSlice)
for _, labelName := range labelNames {
- lh = hashAdd(lh, labelName)
- lh = hashAddByte(lh, separatorByte)
+ xxh.WriteString(labelName)
+ xxh.Write(separatorByteSlice)
}
- d.dimHash = lh
+ d.dimHash = xxh.Sum64()
d.constLabelPairs = make([]*dto.LabelPair, 0, len(constLabels))
for n, v := range constLabels {